linux-kernel - Re: __get_free_pages: can GFP_DMA omit GFP_KERNEL and GFP

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Mon, 4 Jun 2007 12:02:59 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	"Robert P. J. Day" <rpjday@...dspring.com>
cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: __get_free_pages:  can GFP_DMA omit GFP_KERNEL and GFP_ATOMIC?

On Mon, 4 Jun 2007, Robert P. J. Day wrote:

> all right, then some of those __get_free_pages() calls would translate
> to calls of the form __get_dma_pages(0, ...) -- is that what you're
> saying?  or would it be equivalent and preferable to put GFP_ATOMIC in
> there just so it looks not so weird?

Put GFP_ATOMIC in there so that it does not look weird.

GFP_ATOMIC & ~__GFP_HIGH == GFP_NOWAIT

So these should have GFP_NOWAIT as far as I can tell?

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/